Lucid 3.5 Update

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Lucid v3.5 has been updated (build 3.5.30 04272016).

This update includes minor bug fixes and enhancements to the deployment process to conform with Java Runtime changes. The Lucid v3.5 Player applet now conforms to the Java Web Start technology and will allow Chrome browser users to launch keys.

To obtain the latest Lucid v3.5 visit the downloads page.

To purchase Lucid v3.5 click here.

Spotlight on Lucid users – MyCrop Diagnostic keys

Wheat splashWhen Lucid was first developed almost 20 years ago, the main focus was on capturing the expertise of taxonomists to develop Lucid-based, interactive identification tools for a range of different organisms and users. More recently, the range of applications of Lucid has broadened. In particular, agronomists and plant protection experts have been using Lucid to develop diagnostic tools for use by advisors and farmers to help determine the cause of crop disorders and what to do about them.

The MyCrop ( team within the Western Australian Department of Agriculture and Food has developed a series of interactive tools to bring “crop diagnostics to the paddock”.

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Diagnosis of Oral Ulceration

ulcer_app_splashDiagnostic key developed by Laurie Walsh – UQ School of Dentistry & Alex Forrest – Griffith University.

As far as we are aware, this app is the first application of Lucid to help diagnose the possible causes of human medical symptoms. We would be interested to hear of any other current or planned projects using Lucid to develop human or veterinary diagnostic tools.

Available on Android and iOS

Scarab and Stag Beetles of Hawaii and the Pacific


This key will allow you to easily identify adult and immature scarab beetles including established pest species and potential new invasive scarab species. The scarab and stag beetle fauna of Hawaii is of global origin, with non-native species hailing from Australia, Africa, North America, Asia, and Europe. Only five stag beetles are native to Hawaii, and these are greatly in need of conservation and study.

ITP collaborator: Wichita State University

Authors: Joshua B. Dunlap, Mary Liz Jameson, Emmy L. Engasser, Paul E. Skelley, and Amanda J. Redford

Publisher: Identification Technology Program – APHIS/USDA


Available on Android and iOS